Anti-fouling marine paints containing microencapsulated anti-fou

Details Anti-fouling marine paints containing microencapsulated anti-fou Anti-fouling marine paints containing microencapsulated anti-fou

1979-08-02

1981-03-03

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Contains fireproofing or biocidal agent

106 16, 106129, 106208, 252316, 424288, C09D 516

Patent

active

042538777

ABSTRACT:
A process for microencapsulating water-immiscible chemicals is disclosed which comprises mixing a colloidal solution of gelatin Type A and gum acacia with an emulsion or slurry of the water-immiscible chemical, both of which are prepared and mixed at a temperature above about 50.degree. C., and allowing the mixture to cool so that the droplets or particles of water-immiscible chemical are encapsulated with a macromolecular membrane of a complex coacervate of gelatin and gum acacia. Anti-fouling marine paints capable of sustained release of anti-fouling agent are prepared by adding microcapsules of anti-fouling agents to a marine paint vehicle.

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Bungebern, de J., Coll. Science, vol. II, pp. 339-341, 1949.

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